Who Owns GREENIDGE GENERATION HLDGS I (GREE)? -- Institutional Holders (2026-06-30)

31 institutions reported holding $2.8M of GREENIDGE GENERATION HLDGS I (GREE) in SEC 13F filings for 2026-06-30. Largest institutional holders: Graham Capital Management, L.P. ($895,000), VANGUARD GROUP INC ($519,800), GSA CAPITAL PARTNERS LLP ($332,000), GEODE CAPITAL MANAGEMENT, LLC ($225,816), RENAISSANCE TECHNOLOGIES LLC ($179,537). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	Graham Capital Management, L.P.	$895,000	500,000	Hold
2	VANGUARD GROUP INC	$519,800	290,391	Added
3	GSA CAPITAL PARTNERS LLP	$332,000	185,730	Trimmed
4	GEODE CAPITAL MANAGEMENT, LLC	$225,816	126,147	Trimmed
5	RENAISSANCE TECHNOLOGIES LLC	$179,537	100,300	Added
6	STATE STREET CORP	$141,500	79,050	Hold
7	JANE STREET GROUP, LLC	$86,411	48,274	Added
8	Centiva Capital, LP	$83,067	46,406	Added
9	UBS Group AG	$77,204	43,131	Trimmed
10	NORTHERN TRUST CORP	$55,261	30,872	Added
11	CITADEL ADVISORS LLC	$37,347	20,864	New
12	Sowell Financial Services LLC	$34,014	19,002	New
13	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$30,430	17,000	Hold
14	Federation des caisses Desjardins du Quebec	$23,630	13,201	Hold
15	BlackRock, Inc.	$22,957	12,825	Hold
16	EWA, LLC	$19,105	10,673	Trimmed
17	MORGAN STANLEY	$5,442	3,040	Hold
18	Tower Research Capital LLC (TRC)	$4,794	2,678	Trimmed
19	SBI Securities Co., Ltd.	$3,902	2,180	Trimmed
20	US BANCORP \DE\	$1,811	1,012	Hold
21	BNP PARIBAS FINANCIAL MARKETS	$471	263	Hold
22	BARCLAYS PLC	$471	263	New
23	Ancora Advisors LLC	$79	44	Hold
24	OSAIC HOLDINGS, INC.	$3	2	Hold
25	JPMORGAN CHASE & CO	$2	1	Hold

Source: SEC Form 13F filings · as of 2026-06-30